GE Vivid 7 User Manual
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Basic scanning operations Vivid7/Vivid7 PRO Users Manual67 FC092326-03 Using removable media The following removable media can be used for data storage: • 5 1/4” Magneto Optical disk (1.3, 5.4, 8.6 and 9.1 Gb) • CD-R (CD-RW is not supported) Recommendation concerning CD-R handling To avoid data loss, never touch the recordable surface of a CD- R. Handle the disk only by the outer edge. Do not place it face down on a hard surface. Fingerprints or scratches will make the disk unusable. Before usage, verify that CD-R surface has no visible scratches. If there are any scratches, do NOT use the CD-R. Formatting removable media Removable media have to be formatted prior to use as described in ’Tools’ on page 435. Ejecting removable media Alternative: Press F3. Do not eject the CD using the but- ton on the CD drive. 1. Press ALT+E to eject the disk. The Eject device menu is displayed (Figure 2-5). Figure 2-5: The Eject device menu 2. Select the relevant media. CAUTIONUse only 24x or higher CD-R. CAUTIONAvoid using CD-R to store patient data. The CD-R can be used for storage of images for presentation purposes.
Basic scanning operations 68Vivid7/Vivid7 PRO Users Manual FC092326-03 The selected media is ejected.
Basic scanning operations Vivid7/Vivid7 PRO Users Manual69 FC092326-03 Recording images on VCR VCR recording is started and stopped from the RECORD/PAUSE key on the control panel. The status of the VCR is indicated by a symbol on the Title bar (for detail about how to use VCR recorder, refer to ’VCR operation’ on page 384).
Basic scanning operations 70Vivid7/Vivid7 PRO Users Manual FC092326-03 Zoom The unit supports two types of zoom: the display zoom and the high resolution (HR) zoom. • The Display zoom magnifies the image display in both frozen and live 2D, M-Mode and combined modes. • The HR zoom concentrates the image processing to a user selectable portion of the image, resulting in an improved image quality and a higher frame rate in the chosen ROI. Figure 2-6: The zoom controls 1. High Resolution Zoom 2. Magnification control 3. Position the zoom area 21 3
Basic scanning operations Vivid7/Vivid7 PRO Users Manual71 FC092326-03 To magnify an image (Display zoom) The Display zoom is available in live and replay.1. Rotate the Zoom knob clockwise. The resulting magnified image appears in the acquisition window while the un-magnified image is displayed in the control window showing the outlined zoom region. 2. Use the Trackball to position the zoom area over the desired portion of the image. 3. To turn off the Display zoom, rotate the Zoom knob counter clockwise. To activate the HR zoom As a default setting, the zoom area is centered to the cur- sor/color area if present.1. Press ZOOM. The resulting zoomed image appears in the acquisition window and a frozen reference image is displayed in the control window showing the outlined zoom region. 2. Use the Trackball to position the zoom area over the desired portion of the image. 3. Increase size as desired by turning the zoom knob clockwise. 4. Press ZOOM one more time to turn off the HR zoom.
Basic scanning operations 72Vivid7/Vivid7 PRO Users Manual FC092326-03 Perfor ming measurements To perfor m measurements: 1. Press MEASURE to enter the Measurement mode. Refer to page 209 for further information.
Basic scanning operations Vivid7/Vivid7 PRO Users Manual73 FC092326-03 Physiological traces The physiological module consists of four channels: ECG/ Respiration, Phono, AUX 1 and AUX 2. The two channels AUX1 and AUX2 are both capable of handling external ECG signals from other diagnostic ECG devices. AUX2 is also capable of handling a pulse/pressure signal. The scanned image that is displayed is synchronized with the ECG, respiration and phono traces. In M-Mode or Doppler, the traces are synchronized to that particular modes sweep. The operator can control the gain, the position and the sweep rate of the traces using the assignables on the control panel. Figure 2-7: The patient (I/O) connection panel 1. Phono 2. ECG3. AUX 1 4. AUX 2 (Pressure/Pulse) 1234
Basic scanning operations 74Vivid7/Vivid7 PRO Users Manual FC092326-03 Connecting the ECG/Respiration Over view The ECG cable is a modular cable consisting of two different cables parts: • The Trunk: a single cable connecting to the system at one end, and providing a cable splitter device at the other end (see Figure 2-8). • The triple color-coded electrode cable: to be inserted in the splitter device. Each electrode cable hooks up to the appropriate stick-on electrode by a color-coded clip type connector. The color-coding of the electrodes follows one of two standards that are common in different parts of the world. The cable splitter device has a drawing defining the color codes, names and body location for the two standard color codes (see Figure 2-8). Figure 2-8: The cable splitter device with electrode placement conventions AHA (USA) IEC (Europe, Asia, ROW) 1. RA: White 2. LA: Black 3. LL: Red1. R: Red 2. L: Yellow 3. F: Green
Basic scanning operations Vivid7/Vivid7 PRO Users Manual75 FC092326-03 To connect the internal ECG 1.Connect the ECG trunk cable into the rectangular-shaped socket marked ECG on the patient trace (I/O) panel. The patient trace (I/O) panel is located in the front left of the ultrasound unit (see Figure 2-7). 2.Hook up the electrode cables to the electrodes, following the appropriate convention (see Figure 2-8). Connecting the Phono Over view The phono consists of a microphone with a cable and a connector. Figure 2-9: The phono device To connect the Phono 1.Plug the connector into the socket marked Phono on Patient (I/O) panel (see Figure 2-7). Connecting the Pulse pressure transducer Over view The pulse pressure transducer consists of pulse transducer with a cable and a connector. 1. Microphone 2. Connector 1 2
Basic scanning operations 76Vivid7/Vivid7 PRO Users Manual FC092326-03 Figure 2-10: The Pulse pressure transducer To connect the pulse pressure transducer 1.Plug the pulse pressure cable into the socket marked AUX2 Pressure/Pulse on Patient (I/O) panel (see Figure 2- 7). 1. Pulse transducer 2. Connector 12